def move_zeroes_to_end(lst):
j = 0
for i in range(len(lst)):
if lst[i] > 0:
lst[i], lst[j] = lst[j], lst[i]
j += 1
return lst
lst = [0, 8, 0, 0, 0, 7, 15, 0, 0, 4, 6, 9]
print(move_zeroes_to_end(lst))
'''
run:
[8, 7, 15, 4, 6, 9, 0, 0, 0, 0, 0, 0]
'''